简介:Thereisagrowingsupportforthelowlyingscalarmesonsf0(500),f0(980),a0(980),and(800)tobegenerateddynamicallyfromtheinteractionofpseudoscalarmesons,whilethecaseofthenextsetofscalarresonancesathigherenergies,f0(1370),f0(1710),K0(1430)ismoreaquestionofdebate.Soisthecaseofthetensorresonancesf2(1270),f′2(1525),K2(1430).AnewperspectiveonthesestateshasbeenofferedinRef.[1]wherethef0(1370)andf2(1270)resonancesareshowntobegeneratedfromtheinteractionprovidedbythelocalhiddengaugeLagrangiansimplementingunitarization.Itisshownthattheideaofthenatureofthesestatesasvectormeson-vectormesoncompositestateshasbeentestedinmanyreactions.Yet,thepermanentdiscussionoftheissuedemandsextrachecksforotherobservablesand,inthissense,theweakdecaysbringanewsourceofvaluableinformationthatshouldservetotestdifferentmodels.
简介:Anovelsupportedliquidphasefilmcatalyst:SupportedPdCl2-(n-C4H9)4N+Cl-moltensaltswasfoundtobeaneffectivecatalystwithgoodstabilityforselectivehydrodechlorinationofCCl2F2(CFC-12)toitsalternativesCH2F2andCHClF2.AdditionofCoCl2,GaCl3andCuCl2toPdCl2-(n-C4H9)4N+Cl-modifiesthecatalyticperformanceofsupportedmoltensalts.
简介:1.Therearestillhopesthataninternationalagreementtoreduceemissionscanbereachedbeforetheendofnextyear,butthechoicetobypasstheleadershipsummitdoesnotbodewellforfuturenegotiationsinLimainDecemberorParisin2015.(TheBaltimoreSun,Sept.11,2014)翻译:仍有希望在明年年底前达成一项国际减排协定,但(中国和印度)决定缺席这次峰会对十二月于利马或2015年于巴黎举行的谈判是一个不祥之兆。
简介:摘要目的分析对小儿腹泻患儿实施临床治疗的方法和效果。方法搜集2012年2月—2013年2月我院接收的小儿腹泻52例患儿,将其随机分为甲组和乙组。对甲组26例患儿应用常规治疗,对乙组26例患儿应用常规治疗的同时给予蒙脱石散,对比甲组和乙组的临床治疗效果。结果甲组临床有效率为73.77%,乙组26例临床有效率为96.15%。治疗前,甲组26例患儿每日大便次数为(8.5±2.1)次,乙组患儿每日大便次数改善情况优于甲组,临床有效率高于甲组,差异较大,有统计学意义(P<0.05)。结论对小儿腹泻患儿应用常规治疗的同时给予蒙脱石散,临床效果较好,症状改善较明显,值得应用。